The Greek leader pointed to the new development law the parliament approved just a few hours before the event at the Acropolis museum as a key tool in the growth process.

"The new development law foresees total investments of 13 billion euros by 2021," he noted.

The government's goal is to reduce by then to half the current unemployment rates which stand at around 24 percent of the working force, Tsipras added.

The law which was expected to come into effect in September foresees among others taxation incentives for investors and the reduction of red tape.

"It reflects the entire philosophy of our growth planning. It aims at the creation of innovative, extrovert, dynamic enterprises, the support of employment with emphasis on specialized human resources, as well as the increase of added value," he stressed.

"Our growth strategy has one goal -- to put an end to the vicious circle of recession and unemployment," the Greek premier said, closing his remarks.

During the event he also took a moment to comment on the murder of British Labour MP Jo Cox, who was gunned down and stabbed by a man earlier on Thursday, while she was attending an event at her constituency.

He called on all sides "to pay homage to a politician who died unjustly and to hope she is the last victim at a time when hatred in Europe is rekindled and strengthened against sobriety and political discourse."